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Sediment in the Great Lakes
are a large concern due to the large costs associated with the removal of unwanted sediment, be it contaminated or not.
The sediment can come
from various sources nearby, including the shoreline, streams and rivers flowing into the lake, and wind deposited aeolian sediments. It is thought that the recent urbanization around the Great Lakes, and the poor management of farmer's fields has increased the amount of sediment entering the Great Lakes. It was found that the rate of sedimentation in the Great Lakes has not changed much in the past 7000 years, but the contents of the sediment has, indicating a different source.
This webpage explores the various sources of sediment, how we have influenced the sediment, and rounds off with the various mitigation measures that can be put in place to try to control its deposition.
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